Getting ready for classes! Part 2

So after doing the bouncing ball yesterday I feel I have a pretty good grasp on the concepts and editing the graph.  Today I decided to step it up a notch and I made a basic obstacle course, and I mean basic lol, to play around in.  Here is the first pass results.

http://dl.dropbox.com/u/29412741/Bouncing_Ball_Obstacle_v1.avi

I'm a dropbox noob so any suggestions on how to get the video to show up in my post are greatly appreciated.